276 lines
4.0 KiB
HTML
276 lines
4.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Exercises</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="Bash Guide for Beginners"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Bash and Bash scripts"
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HREF="chap_01.html"><LINK
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REL="PREVIOUS"
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TITLE="Summary"
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HREF="sect_01_06.html"><LINK
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REL="NEXT"
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TITLE="Writing and debugging scripts"
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HREF="chap_02.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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SUMMARY="Header navigation table"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Bash Guide for Beginners</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sect_01_06.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 1. Bash and Bash scripts</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="chap_02.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="sect_01_07"
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></A
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>1.7. Exercises</H1
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><P
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>These are some exercises to warm you up for the next chapter:</P
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><P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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>Where is the <B
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CLASS="command"
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>bash</B
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> program located on your system?</P
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></LI
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><LI
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><P
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>Use the <TT
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CLASS="option"
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>--version</TT
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> option to find out which version you are running.</P
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></LI
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><LI
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><P
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>Which shell configuration files are read when you login to your system using the graphical user interface and then opening a terminal window?</P
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></LI
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><LI
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><P
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>Are the following shells interactive shells? Are they login shells?</P
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><P
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></P
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><UL
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><LI
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><P
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>A shell opened by clicking on the background of your graphical desktop, selecting <SPAN
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CLASS="QUOTE"
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>"Terminal"</SPAN
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> or such from a menu.</P
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></LI
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><LI
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><P
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>A shell that you get after issuing the command <B
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CLASS="command"
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>ssh <TT
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CLASS="parameter"
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><I
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>localhost</I
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></TT
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></B
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>.</P
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></LI
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><LI
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><P
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>A shell that you get when logging in to the console in text mode.</P
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></LI
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><LI
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><P
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>A shell obtained by the command <B
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CLASS="command"
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>xterm &</B
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>.</P
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></LI
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><LI
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><P
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>A shell opened by the <B
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CLASS="command"
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>mysystem.sh</B
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> script.</P
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></LI
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><LI
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><P
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>A shell that you get on a remote host, for which you didn't have to give the login and/or password because you use SSH and maybe SSH keys.</P
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></LI
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></UL
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></LI
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><LI
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><P
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>Can you explain why <B
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CLASS="command"
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>bash</B
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> does not exit when you type <B
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CLASS="keycap"
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>Ctrl</B
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>+<B
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CLASS="keycap"
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>C</B
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> on the command line?</P
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></LI
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><LI
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><P
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>Display directory stack content.</P
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></LI
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><LI
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><P
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>If it is not yet the case, set your prompt so that it displays your location in the file system hierarchy, for instance add this line to <TT
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CLASS="filename"
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>~/.bashrc</TT
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>:</P
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><P
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><B
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CLASS="command"
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>export <TT
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CLASS="varname"
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>PS1</TT
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>="<TT
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CLASS="parameter"
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><I
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>\u@\h \w> </I
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></TT
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>"</B
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> </P
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></LI
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><LI
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><P
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>Display hashed commands for your current shell session.</P
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></LI
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><LI
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><P
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>How many processes are currently running on your system? Use <B
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CLASS="command"
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>ps</B
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> and <B
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CLASS="command"
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>wc</B
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>, the first line of output of <B
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CLASS="command"
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>ps</B
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> is not a process!</P
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></LI
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><LI
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><P
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>How to display the system hostname? Only the name, nothing more!</P
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></LI
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></OL
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sect_01_06.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
|
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><A
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HREF="index.html"
|
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ACCESSKEY="H"
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>Home</A
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></TD
|
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="chap_02.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
|
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><TR
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><TD
|
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>Summary</TD
|
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><TD
|
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WIDTH="34%"
|
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ALIGN="center"
|
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VALIGN="top"
|
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><A
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HREF="chap_01.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>Writing and debugging scripts</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |